Atmosphere
Is the air alive?
No
do ecosystems have distinct or fuzzy boundaries?
fuzzy
What biome is made up of woody plants or trees?
Forest biome
Is air pollution increasing or decreasing in the United States since the 1990's?
decreasing
what is considered to be biosphere 1?
the earth
Define atmosphere?
collection of gases that surround a planet
What is it called when you study an ecosystem?
field study
What type of biome is a collection of ecosystems that have very little rainfall?
Desert biome
name one way nuclear energy is better then burning fuel?
cheaper, no pollution
Plants use water, sun and what other thing to make food for themselves?
carbon dioxide
what does sulfur dioxide, nitrogen dioxide and carbon monoxide all have in common?
oxygen
what is the difference between an ecosystem versus a biome?
biome is made up of multiple ecosystems
Saltwater wetlands are apart of what biome?
marine biome
Define biodegradable?
a substance that can be decomposed over time, usually by microscopic organisms.
what does bio stand for in biosphere?
Refers to life
What is the lowest part of earth's atmosphere called?
Troposphere
What is main way to tell the difference between ecosystems?
the species within the community of organisms (eg. water-based vs. land-based)
What is the area called where two biomes intersect?
Transition zone
What is the Great Pacific Garbage Patch?
What happened in Chernobyl, Russia in 1986?
nuclear power plant melted down
What is the name of the gas that makes up the largest component of air?
Nitrogen
why do lots of fish die in the winter when a lake is frozen for a long time?
fish need oxygen on top of lake in gas form in order for fish to burn their food
How many biomes were mentioned in the textbook?
six
How is acid rain made?
when rain interacts with air pollutants
In nuclear fusion, what does a neutron hit, causing it to split into two?
nucleus of an uranium atom